“Studying The Effect of Changing PH and Surface Hydraulic Loading Rates on The Efficiency of Removing Phosphorus From Industrial Wastewater By Using Duck Weed: جامعة البعث ”. Journal of Hama University 7, no. 18 (February 13, 2025). Accessed June 6, 2026. https://journal.hama-univ.edu.sy/huj/article/view/2194.